Danfoss Compressor SZ240A9AR

07/20/2020

Air conditioning sensor principle and application

The temperature sensor used in air conditioning mainly uses a negative temperature coefficient thermistor (also known as NTC thermistor). The temperature sensor is made of manganese, cobalt, nickel, copper and other metal oxides as the main materials,

08/28/2020

Learn about refrigerated dryers

In order for the compressed air system to function properly, the air must be dry. This means that before entering the air network, the air must have no liquid moisture and low relative humidity.

07/22/2020

The fluorine refrigeration compressor is short of oil, how to add it?

When the compressor is running for a period of time, we can judge whether the compressor is short of oil by observing the oil glass. If the oil level in the oil glass is lower than half of the position, then we need to replenish the oil. This article introduces the oil replenishment method of small and medium-sized compressors.

08/20/2020

Air-conditioning repair book Three nirvana tricks that can't be charged by the regular army

Summer is the peak season for air-conditioning to be turned on. After frequent use, the air-conditioning in some consumers’ homes will fail, and when a small partner is in a hurry, they will “see the doctor in a hurry”.

08/04/2022

Differences Between Overflow Valve and Pressure Relief Valve

Overflow valve is to prevent system overload and ensure safety. The pressure relief valve reduces the system pressure on the premise that the system is not overloaded.

06/29/2020

Compression ratio of American Copeland compressor

08/19/2020

Which air conditioner, floor heating, or radiator consumes the most electricity

At present, the household heating methods of the residents in the north and south of our country are becoming more and more diversified. Radiators, air conditioners, and floor heating are the three most common household heating methods.

08/16/2020

Air-conditioning peak season is approaching, be wary of free return and exchange mystery

Behind the high purchase rate of air conditioners, there is also the risk of high after-sales problems. Recently, a friend close to the editor bought an air conditioner of a certain brand, but he couldn't use it normally and had to return the product after repeated repairs failed.

08/18/2020

Precautions before and after installation of the chiller

Before moving the industrial chiller, confirm that the installation site is equipped with equipment and tools suitable for the installation of the industrial chiller, and can bear the weight of the industrial chiller and all accessories.

08/25/2020

When you encounter the new crown virus in summer, please keep this air-conditioning instruction

As the weather gets hotter, it seems that the day to turn on the air conditioner and eat watermelon has arrived. But now that the epidemic prevention and control cannot be relaxed, can the air conditioner be turned on?